#5571E9#5571E9

#5571E9 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.1% C 0.183 H 270.1°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5571E9
RGB	rgb(85, 113, 233)
HSL	hsl(229, 77%, 62%)
HSV	hsv(229, 64%, 91%)
CMYK	cmyk(63.5%, 51.5%, 0%, 8.6%)
CIE-LAB	lab(51.41, 27.03, -63.93)
CIE-LCH	lch(51.41, 69.41, 292.92°)
OKLab	oklab(59.12% 0.0002 -0.1834)
OKLCH	oklch(59.12% 0.183 270.1)
XYZ	xyz(24.3544, 19.6226, 79.5791)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571E9 #E9CD55

analogous

#55BBE9 #5571E9 #8355E9

triadic

#5571E9 #E95571 #71E955

tetradic

#5571E9 #E955BB #E9CD55 #55E983

square

#5571E9 #E955BB #E9CD55 #55E983

split-complementary

#5571E9 #E98355 #BBE955

monochromatic

#1633AD #1F44E2 #5571E9 #8B9EF0 #C1CCF7

Accessibility & contrast

On white

4.26

#5571E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#5571E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571E9

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571E9	#FFFFFF	#000000	##000000
##5571E9	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2781ED

Deuteranopia (green-blind)

#0074E7

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5571e9;
/* rgb */ color: rgb(85, 113, 233);
/* oklch */ color: oklch(59.1% 0.183 270.1);

Tailwind

colors: {
  custom: {
    50: '#9399f1',
    500: '#5571e9',
    950: '#000000',
  },
}

SCSS

$custom: #5571e9;
$custom-light: #9399f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5571e9",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 233
  },
  "hsl": {
    "h": 228.649,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.59122,
    "c": 0.18343,
    "h": 270.1
  },
  "luminance": 0.19625
}

Semantic roles & 50–950 ramp

primary

#5571E9

secondary

#E8DEB2

accent

#B30CD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5571E9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →